'No Child Left Behind' requires states and school districts to ensure that all students are learning and are reaching their highest potential. Special education students should not be left out of these accountability mechanisms.

What we're going to see is the emergence of the lone wolf rather than the planning of large numbers of people to carry out large attacks...Explosives are getting more sophisticated.

We have a chance to wind down and expedite the removal of 96 percent of the world's nuclear weapons. What an achievement it would be, if at the end of the next administration, we could say that the nuclear arsenals of both Russia and the United States had been reduced to the barest minimums.

And, I know the sense of helplessness that people feel. I know the urge to arm yourself because that's what I did. I was trained in firearms. I'd walk to the hospital when my husband was sick. I carried a concealed weapon. I made the determination that if somebody was going to try to take me out, I was going to take them with me.

People who travel should be on guard. All our military, our police and I think the word has been spread. And people know to be careful to watch, to report. Something that looks suspicious to you, don't be embarrassed to go to an authority and say, "Look, I saw this and it seems suspicious to me."

There is a worry about a bomb being implanted in a human being and placed on an airplane. So, I think there is a lot to worry about.

Global warming is real. It is happening today. It is being charted by our satellites. It is being charted by our scientists. It is being charted by those of us in this body, and I think the real key is if we are ready to admit that fact and take the action to make the necessary conversion.